/*
 * Copyright 2010 - 2011, The PLDesktop Development Team
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */

#ifndef PLTIMER_HANDLER_H
#define PLTIMER_HANDLER_H

/**
 * Abstract base class for all timer handlers. All those handlers must
 * be derived from this class.
 */
class PLTimerHandler {
public:
	/**
	 * Called when the handler is registered with the Timer/SchedulerTimer class
	 * and a timer event occured.
	 *
	 * @param delta time elapsed since the last event, in nanoseconds.
	 * @param state the state of the processor when the event occurred.
	 */
	virtual void timer(uint64_t delta, InterruptState &state) = 0;
protected:
	/**
	 * Virtual destructor.
	 */
	inline virtual ~PLTimerHandler() {}
};

#endif
